A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? （）

A.Replace the tray two paper sensor and run the printer self test.

B.Remove the tray two paper sensor and clean the printhead.

C.Check the tray two paper sensors for blockage and run the printer self test.

D.Check the tray two paper rollers for blockage, clean the printhead, and run the printer self test.